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var cookieBannerSliderPos = 0;

function showCookieBanner() {
    var cookiebanner = document.getElementById("cookiebanner");
    var dialogHeight = parseInt(cookiebanner.offsetHeight);
    cookiebanner.style.bottom = (cookieBannerSliderPos - dialogHeight) + "px";
    cookieBannerSliderPos += 4;
    if (cookieBannerSliderPos < dialogHeight) {
        setTimeout(function () {
            showCookieBanner();
        }, 1);
    } else {
        cookieBannerSliderPos = 0;
        cookiebanner.style.bottom = "0px";
    }
}

function hideCookieBanner() {
    var cookiebanner = document.getElementById("cookiebanner");
    cookiebanner.style.display = "none";
}